Answer:
Synchronous data transmission is a data transfer method in which a continuous stream of data signals is accompanied by timing signals (generated by an electronic clock) to ensure that the transmitter and the receiver are in step (synchronized) with one another. The data is sent in blocks (called frames or packets) spaced by fixed time intervals.
Answer:
1. Credible Websites are Registered with Legitimate Institutions 2. Watch out for Dummy Content for Website Credibility Check 3. Watch out for Scam Advertisements to Verify Website Credibility 4. Professional Designs Mean Everything
Explanation:
The page setup of a worksheet defines its appearance. In page setup there are also many things like what font we are using, margins, number of cells etc.
Worksheets are used to enter, calculate and analyze data in
numbers and text, and a collection of worksheets is known as workbook. we can create worksheets in Microsoft Excel.
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Answer:
1. Data Cleaning
2. Data Integration
3. Data Selection
4. Data transformation
5. Data Mining
6. Pattern Evaluation
7. Knowledge presentation
Explanation:
The steps involved in data mining or data analytics when viewed as a process of knowledge discovery includes the following:
Step 1. Data cleaning: this involves the elimination of inconsistent data.
Step 2. Data integration: this involves the combination of data from multiple sources.
Step 3. Data selection: this is the step where significant data for task examination are gathered from the database.
Step 4. Data transformation: this the step in which the data are modified for mining by conducting the aggregate operation.
Step 5. Data mining: this step involves the extraction of data patterns through specific techniques.
Step 6. Pattern evaluation: this step involves the identification of patterns that depict knowledge based on measures.
Step 7. Knowledge presentation: this is the step in which visualization and knowledge representation methods are utilized to illustrate mined knowledge to users.
